import add 
import subtract
import multiply
import divide
def main():
    result1 = add.add(9,6)
    result2 = subtract.subtract(10,5)
    result3 = multiply.multiply(2,3)
    result4 = divide.divide(3,1)
    print(result1)
    print(add(2,6))
    print(result2)
    print(subtract(6,4))
    print(result3)
    print(result4)

if __name__ == main():
    main()